Pipelines carrying various utilities in chemical industries are identified by their colour codes. The color of pipeline carrying steam is

A. Black

B. Silver grey

C. Green

D. Yellow

Please do not use chat terms. Example: avoid using "grt" instead of "great".

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  1. Vibration upto 100 kilo hertz can be most accurately measured by a __________ type accelerometer.
  2. The underground well of a biogas plant is called the
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  4. __________ of grey cast iron produces white cast iron.
  5. Function of gear box is to
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  9. The lightest non-inflammable gas is
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  13. Triple point of water is
  14. In a counter flow heat exchanger, hot fluid enters at 170°C & leaves at 150°C, while the cold…
  15. Temper brittleness of a material can be fairly detected by the __________ test.
  16. Ultimate strength in tension as compared to that in shear for steel is
  17. Which of the following hardness tests does not measure the indentation hardness of metals and alloys?
  18. Pick out the wrong statement.
  19. Addition of small amount of __________ to grey cast iron is done to produce nodular grey cast iron.
  20. Satellites burn off during re-entry to earth's atmosphere, because of the
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  23. Solidification time of a molten metal in a casting is proportional to (where, V = volume of metal &…
  24. Direct conversion of thermal energy to electrical energy is facilitated by the
  25. Production of a hollow product by inflation of a tube or parison is called the __________ process.
  26. Working of linear variable differential transducer (LVDT) is based on the principle of variable
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